To add to this excellent xkcd comic, the following site also exists : Password Haystacks.
Which is a stronger password?
or
(Click to find out, I’ll wait).
Pretty sweet indeed. What a difference.
Anyways, the reason I’m linking this stuff is th...
Does Hurricane Irene fit a logarithmic spiral?
I made a Geogebra applet to see if it does. Enjoy.
Parametric equation:
From Bloomberg:
Venezuelan President Hugo Chavez ordered the central bank to repatriate $11 billion of gold reserves held in developed nations’ institutions such as the Bank of England as prices for the metal rise to a record.
Venezuela, which holds 211 tons of its 365 tons of gold res...
Python Challenge is a “programming riddle” on the internet.
What is the Python Challenge?
The Python Challenge is a set of riddles that require a little bit of Python programming to be solved. The solutions are entered by changing the address of the page (URL). You get used to the idea pre...
This will be my third year teaching Introduction to Computer Programming. The first year I had 15 students which was a good showing, but last year I only had 5 students. It turned out to be a scheduling issue, but I was still worried about the health of the course, and whether or not it would contin...
I’m updating the hosting of the blog (among other things), so please stay tuned. Cheers. Dan.
@fnoschese retweeted the following stat on twitter:
It seemed a bit low to me, so naturally I started a totally unscientific poll. Please go here and fill out at least one of the questions. The results will be posted back here in a couple of days. Thanks much.
Dan
From Make.
Just discovered this fascinating little geometrical recreation at the 2011 Bridges Math Art Conference galleries. The idea is simple, and the field still fairly unexplored, from what I can tell. What interesting 3D shapes can be made by zipping up the edges of a planar shape usi...